premaxilla
Americannoun
noun
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Nouns
Etymology
Origin of premaxilla
From the New Latin word praemaxilla, dating back to 1865–70. See pre-, maxilla
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
The skull is unusual in having both an extensively ossified nasal septum, and a down-turned anterior region on the premaxilla that contacts the edge of the upper jaw.
From Scientific American ● Nov. 9, 2013
Beneath the naris the maxilla extends as a broad tapering shelf, the ventral surface of which articulates with the premaxilla.
From Two New Pelycosaurs from the Lower Permian of Oklahoma by Fox, Richard C.
The premaxilla is rudimentary and loosely attached to the maxilla.
From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" by Various
He points out also that in all carduelines, the prepalatine bar is flared at its juncture with the premaxilla, and that the mediopalatine processes are fused across the midline; noncardueline fringillids lack these characteristics.
From Myology and Serology of the Avian Family Fringillidae A Taxonomic Study by Stallcup, William B.
The occipital, the parietal, and frontal, the bones which surround the internal ear, the vomer, the premaxilla, and the quadrate bones, may be given as examples.
From On the Genesis of Species by Mivart, St. George
That change might have allowed birds to develop big, fused premaxillae — the precursors of beaks.
From New York Times ● May 12, 2015
During the evolution of early birds, the premaxillae stretched out and fused together to form a strong, lightweight beak.
From New York Times ● May 12, 2015
Fgf8, for example, disappears from the region that will become the face long before the premaxillae develop.
From New York Times ● May 12, 2015
Dr. Bhullar and Dr. Abzhanov set out to find some of the genetic changes that turned the dinosaur premaxillae into a beak.
From New York Times ● May 12, 2015
Upper ends of the premaxillae nearly symmetrical, moderately elevated, slightly expanded, and not curved forward over the nostrils.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
